Gaya APA

WIJAYANTI, P., JANNAH, L, M. (2019). Implementation of old age insurance policy in Indonesia . Jakarta: Research and Development Agency Ministry of Home Affairs.

Gaya MLA

WIJAYANTI, Puteri., JANNAH, Lina, Miftahul. "Implementation of old age insurance policy in Indonesia". Jakarta: Research and Development Agency Ministry of Home Affairs, 2019. Artikel.